[MacPorts] #20205: mono: update to version 2.4.2.1

[MacPorts]

#20205: mono: update to version 2.4.2.1
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 Reporter:  devans@…             |       Owner:  mww@…           
     Type:  update               |      Status:  new             
 Priority:  Normal               |   Milestone:                  
Component:  ports                |     Version:  1.7.1           
 Keywords:                       |        Port:  mono            
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 This is a quick re-release to restore files intended to be
 shipped with mono that inadvertently were not

 See [http://www.mono-project.com/Release_Notes_Mono_2.4.2.1 Mono 2.4.2.1
 Release Notes]

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Ticket URL: <http://trac.macports.org/ticket/20205>
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